Finding the Fourth Proportional to 105,039.62, 157,566.61 and 30,154

Step by Step Solution

1. Step 1: Write the proportion equation
   105,039.62 : 157,566.61 = 30,154 : x
2. Step 2: Convert to fraction form
   105,039.62/157,566.61 = 30,154/x
3. Step 3: Cross multiply
   105,039.62x = 157,566.61 × 30,154
4. Step 4: Simplify right side
   105,039.62x = 4,751,263,557.94
5. Step 5: Solve for x
   x = 4,751,263,557.94/105,039.62
6. Step 6: Final answer
   x = 45,233.06